src/patches/netkit-telnet-0.17-nodns.patch

   1 --- netkit-telnet-0.17.orig/telnetd/telnetd.c   2007-03-13 16:31:20.000000000 +0000
   2 +++ netkit-telnet-0.17.orig/telnetd/telnetd.c   2007-03-13 16:31:26.000000000 +0000
   3 @@ -653,6 +653,11 @@ doit(struct sockaddr *who, socklen_t who
   4
   5         error = getnameinfo(who, wholen, namebuf, sizeof(namebuf), NULL, 0, 0);
   6
   7 +       /* if we can't get a hostname now, settle for an address */
   8 +       if(error == EAI_AGAIN)
   9 +               error = getnameinfo(who, wholen, namebuf, sizeof(namebuf),
  10 +                               NULL, 0, NI_NUMERICHOST);
  11 +
  12         if (error) {
  13                 perror("getnameinfo: localhost");
  14                 perror(gai_strerror(error));
  15 @@ -681,7 +686,7 @@ doit(struct sockaddr *who, socklen_t who
  16         /* Get local host name */
  17         {
  18                 struct addrinfo hints;
  19 -               struct addrinfo *res;
  20 +               struct addrinfo *res = 0;
  21                 int e;
  22
  23                 memset(&hints, '\0', sizeof(hints));
  24 @@ -690,11 +695,14 @@ doit(struct sockaddr *who, socklen_t who
  25
  26                 gethostname(host_name, sizeof(host_name));
  27                 if ((e = getaddrinfo(host_name, NULL, &hints, &res)) != 0) {
  28 -                       perror("getaddrinfo: localhost");
  29 -                       perror(gai_strerror(e));
  30 -                       exit(1);
  31 +                       if(e != EAI_AGAIN) {
  32 +                               fprintf(stderr, "getaddrinfo: localhost %s\n",
  33 +                                       gai_strerror(e));
  34 +                               exit(1);
  35 +                       }
  36                 }
  37 -               freeaddrinfo(res);
  38 +               if(res)
  39 +                       freeaddrinfo(res);
  40         }
  41
  42  #if    defined(AUTHENTICATE) || defined(ENCRYPT)
  43